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Example of Commercial Tile Roofing

Sailbridge Homes - Stalybridge

Apartment block of 19 new apartments in Stalybridge, Tameside.

• Sailbridge.co.uk
• Commercial property development of housing apartments.
• Installation of Mansard roof and flat roof systems.
• K-roofing was the principal roofing contractor.
• Supply and installation of all roof coverings - membranes, battons , roof tiles, ridge tiles.
• Supply and installation of Velux Windows.
• Installation of all leadwork, ridges and hips.

Background

• This private, new build residential housing apartment was built for sale of individual apartments.
• The block contains 19 apartments and was constructed by Sailbridge Homes.
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Commercial sector tile roofing
• The main building contractor installed all of the structural elements of the roof - the joists and rafters.
• K-Roofing contractors were employed to provide and install all of the roof coverings for the 'warm roof' system.

Waterproof Breathable Roof Membranes

• The base layer of the 'warm roof' system is the waterproof, breathable roofing membrane
• The membrane was trimmed to the relevant sizes to ensure total roof coverage.
• The roofing membrane was securely attached to timber structure with mechanically fixed wooden battons set at the correct gauges.
• The roof membranes form the secondary roof covering positioned over the structural timbers to form a roof seal against weather, preventing the ingress of water and airborne particles into the roof area.
• The membrane was secured to the roof timbers with 25x50mm wooden battons horizontally positioned and mechanically fixed.

Velux Window Installation

• Within the timber roof frame, sub-frames were installed that would hold the Velux windows and flashings. This is called 'Trimming out'.
• All Velux windows were installed with their appropriate flashing kits whilst roof tiling progressed.

Smooth Red Marley Modern Tiles

• Marley smooth, red, interlocking roof tiles were specified in the building plans.
• The tiles were selected based on a combination of factors: the aesthetics of the building, the environmental stresses effecting the roof, and the cost.

Roof Aesthetics

• In a competitive modern housing market, apartment sales require attractive buildings and the targeting of affluent buyers.
• Apartment buildings are designed to appeal to the eye, be unique and interesting and to appear to be constructed of high quality materials.
• Marley is a leading tile manufacturer with a long history of producing high quality tiles with a long life, broad range of colours and effective designs.

Environmental Considerations

• Tile designs are tested so they meet challenging environmental conditions.
• Stalybridge lies at the foothills of the Pennines in north-west England and the area is subject to extremes of weather.
• Based on the building height and it's situation the tile manufacturer (Marley Eternit) recommended that each tile was double nailed and clipped in place.

Lead Flashings

• To protect the roof tiles roof hip lead flashings were installed and mechanically fixed.
• All hips along the mansard roof were installed in 1.5 metre lead rolled joint details and secured by Turn Coated Steel (TCS) clips at 300 mm centres.
• Where the mansard roof meets the main roof, a 450mm code 5 lead flashing has been installed and secured in place by TCS clips at 500 centres.

Roof Valleys & Ridges

• The quality specifications for roof valleys, ridges and verges recognised the height and situation of the building.
• All roof valleys were installed in Code 5 lead.
• All roof ridges and hips (dry fix systems) were mechanically fixed instead of using traditional cement to ensure maximum security of fixture.
• All roof verges were installed with plastic dry verge caps (instead of cement).
• Tile vents were installed within the tile systems for all top floor apartment extractor fans.